1. Marqués, R., F. Martin, and M. Sorolla, Metamaterials with Negative Parameters: Theory, Design, and Microwave Applications, John Wiley & Sons, 2011.
2. Ghanbari, L., A. Keshtkar, S. Ghanbari, and S. Jarchi, "Planar low VSWR monopole antenna for UWB and LTE communication," 2016 16th Mediterranean Microwave Symposium (MMS), 1-4, IEEE, 2016.
3. Ghanbari, L., S. Nikmehr, and M. Rezvani, "A novel small UWB antenna using new fractal-like geometry," 2011 IEEE Applied Electromagnetics Conference (AEMC), 1-4, IEEE, 2011.
4. Si, L.-M., W. Zhu, and H.-J. Sun, "A compact, planar, and CPW-fed metamaterial-inspired dual-band antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 12, 305-308, 2013.
doi:10.1109/LAWP.2013.2249037
5. Xu, H.-X., G.-M. Wang, Y.-Y. Lv, M.-Q. Qi, X. Gao, and S. Ge, "Multifrequency monopole antennas by loading metamaterial transmission lines with dual-shunt branch circuit," Progress In Electromagnetics Research, Vol. 137, 703-725, 2013.
doi:10.2528/PIER12122409
6. Rao, M. V., B. Madhav, T. Anilkumar, and B. P. Nadh, "Metamaterial inspired quad band circularly polarized antenna for WLAN/ISM/Bluetooth/WiMAX and satellite communication applications," AEU-International Journal of Electronics and Communications, Vol. 97, 229-241, 2018.
7. Selvi, N. T., P. T. Selvan, S. Babu, and R. Pandeeswari, "Multiband metamaterial-inspired antenna using split ring resonator," Computers & Electrical Engineering, Vol. 84, 106613, 2020.
doi:10.1016/j.compeleceng.2020.106613
8. Malik, J. and M. Kartikeyan, "Metamaterial inspired patch antenna with L-shape slot loaded ground plane for dual band (WiMAX/WLAN) applications," Progress In Electromagnetics Research Letters, Vol. 31, 35-43, 2012.
doi:10.2528/PIERL12021908
9. Reddy, G. S., A. Kamma, S. K. Mishra, and J. Mukherjee, "Compact bluetooth/UWB dual- band planar antenna with quadruple band-notch characteristics," IEEE Antennas and Wireless Propagation Letters, Vol. 13, 872-875, 2014.
doi:10.1109/LAWP.2014.2320892
10. Li, W. T., Y. Q. Hei, W. Feng, and X. W. Shi, "Planar antenna for 3G/Bluetooth/WiMAX and UWB applications with dual band-notched characteristics," IEEE Antennas and Wireless Propagation Letters, Vol. 11, 61-64, 2012.
doi:10.1109/LAWP.2012.2183671
11. Liu, L.-Y. and B.-Z. Wang, "A broadband and electrically small planar monopole employing metamaterial transmission line," IEEE Antennas and Wireless Propagation Letters, Vol. 14, 1018-1021, 2015.
doi:10.1109/LAWP.2015.2388762
12. Dong, Y., H. Toyao, and T. Itoh, "Design and characterization of miniaturized patch antennas loaded with complementary split-ring resonators," IEEE Transactions on Antennas and Propagation, Vol. 60, No. 2, 772-785, 2011.
doi:10.1109/TAP.2011.2173120
13. Wan, Y. T., D. Yu, F. S. Zhang, and F. Zhang, "Miniature multi-band monopole antenna using spiral ring resonators for radiation pattern characteristics improvement," Electronics Letter, Vol. 49, No. 6, 382-384, 2013.
doi:10.1049/el.2012.3980
14. Amani, N., M. Kamyab, A. Jafargholi, A. Hosseinbeig, and J. Meiguni, "Compact tri-band metamaterial-inspired antenna based on CRLH resonant structures," Electronics Letters, Vol. 50, No. 12, 847-848, 2014.
doi:10.1049/el.2014.0875
15. Pandey, G., H. Singh, P. Bharti, and M. Meshram, "Metamaterial-based UWB antenna," Electronics Letters, Vol. 50, No. 18, 1266-1268, 2014.
doi:10.1049/el.2014.2366
16. Sarkar, D., K. Saurav, and K. V. Srivastava, "Multi-band microstrip-fed slot antenna loaded with split-ring resonator," Electronics Letters, Vol. 50, No. 21, 1498-1500, 2014.
doi:10.1049/el.2014.2625
17. Nordin, M. A. W., M. T. Islam, and N. Misran, "Design of a compact ultrawideband metamaterial antenna based on the modified split-ring resonator and capacitively loaded strips unit cell," Progress In Electromagnetics Research, Vol. 136, 157-173, 2013.
doi:10.2528/PIER12100708
18. Soliman, A., D. Elsheakh, E. Abdallah, and H. El-Hennawy, "Multiband printed metamaterial inverted-F antenna (IFA) for USB applications," IEEE Antennas and Wireless Propagation Letters, Vol. 14, 297-300, 2014.
19. Majedi, M. S. and A. R. Attari, "A compact and broadband metamaterial-inspired antenna," IEEE Antennas and Wireless Propagation Letters, Vol. 12, 345-348, 2013.
doi:10.1109/LAWP.2013.2248072
20. Islam, M., M. T. Islam, M. Samsuzzaman, and M. R. I. Faruque, "Compact metamaterial antenna for UWB applications," Electronics Letters, Vol. 51, No. 16, 1222-1224, 2015.
doi:10.1049/el.2015.2131
21. Chen, Y. and C.-F.Wang, Characteristic Modes: Theory and Applications in Antenna Engineering, John Wiley & Sons, 2015.
doi:10.1002/9781119038900
22. Saurav, K., D. Sarkar, and K. V. Srivastava, "Dual-polarized dual-band patch antenna loaded with modified mushroom unit cell," IEEE Antennas and Wireless Propagation Letters, Vol. 13, 1357-1360, 2014.
doi:10.1109/LAWP.2014.2337911
23. Garbacz, R. and R. Turpin, "A generalized expansion for radiated and scattered fields," IEEE Transactions on Antennas and Propagation, Vol. 19, No. 3, 348-358, 1971.
doi:10.1109/TAP.1971.1139935
24. Liang, J., C. C. Chiau, X. Chen, and C. G. Parini, "Study of a printed circular disc monopole antenna for UWB systems," IEEE Transactions on Antennas and Propagation, Vol. 53, No. 11, 3500-3504, 2005.
doi:10.1109/TAP.2005.858598